ITEM NAME:LJ12A3-4-Z/BY Inductive Proximity Sensor Switch PNP DC 6V-36V N ME Product description: Model: LJ12A3-4-Z/BY Wire Type Cylindrical DC 3 Wire Type Switch Appearance Type Cylinder Type Theory Inductive Sensor Output Type PNP NO(Normal Open) Diameter of Head 12mm Detecting Distance 4mm Supply Voltage DC 6-36V Current Output 300mA Response Frequency 0.5KHz Detect Object Iron Operating Temperature -25 °C to +55 °C (Non-freezing.PNP NO(Normal Open). Theory Inductive Sensor. Wire Type Cylindrical DC 3 Wire Type. Switch Appearance Type Cylinder Type. Model: LJ12A3-4-Z/BY. Size 6.2 x 2cm/2.4" x 0.8" (L Max. Detect Object Iron. ).